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2025-07-14 - 23:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack6slot0.osadl.org (updated Mon Jul 14, 2025 13:00:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4060899314310,2cyclictest0-21swapper/2809:56:0521
4060899314310,2cyclictest0-21swapper/2809:56:0521
4060899314310,2cyclictest0-21swapper/2809:56:0521
4060899239235,2cyclictest0-21swapper/2811:52:5221
4060899239235,2cyclictest0-21swapper/2811:52:5121
40618992381,116cyclictest29227-21inotify_reader07:30:1832
40618992381,116cyclictest29227-21inotify_reader07:30:1832
40614992352,218cyclictest0-21swapper/3410:40:1928
40614992352,218cyclictest0-21swapper/3410:40:1928
40614992352,218cyclictest0-21swapper/3410:40:1928
4059099227160,63cyclictest0-21swapper/1311:50:215
4059099227160,63cyclictest0-21swapper/1311:50:215
4060899220209,3cyclictest0-21swapper/2812:05:1921
4060899220209,3cyclictest0-21swapper/2812:05:1921
4060899220209,3cyclictest0-21swapper/2812:05:1921
4059599207171,24cyclictest0-21swapper/1809:28:2110
4059599207171,24cyclictest0-21swapper/1809:28:2010
4059599207171,24cyclictest0-21swapper/1809:28:2010
4061499204156,32cyclictest0-21swapper/3412:03:1128
4061499204156,32cyclictest0-21swapper/3412:03:1128
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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